Grand Renewable Energy proceedings
Online ISSN : 2434-0871
Japan council for Renewable Energy(2018)
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MODELING AND CLEANING OF DUST DEPOSITION ON GLASS TUBE OF EVACUATED SOLAR THERMAL COLLECTORS
*Purevdalai ErdenedavaaAtsushi AkisawaAmarbayar AdiyabatAntonio Rosato
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Pages 76-

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Abstract
In this paper, dust deposition of an evacuated tube solar thermal collector is modeled using measurement results of transmittance of the glass tubes that were exposed for long period under real environmental condition of Ulaanbaatar city and evironmental data measured during the exposure such as wind speed and direction, the amount of airborne dust PM10, and the amount of rain and snow. In addition, by the derived model, daily behavior of transmittance of the galss tubes is calculated and the daily change in transmittance is simulated in case that hand cleaning has been done during over-contamination. The purpose of this study is: with the assistance of the dust deposition model, appropriate cleaning time will be estimated with respect to thermal output of the solar thermal collector.
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© 2018 Japan Council for Renewable Energy (JCRE)
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